later, joe biden campaigning in minneapolis. [captioning performed by national captioning institute] [captions copyright national cable satellite corp. 2012] >> this week on "q&a," steve inskeep discusses his book, "instant city: life and death in karachi." >> steve inskeep, when did you first go to work for npr? >> i had been freelancing a while, and hired me to cover politics. i would cover anything that needed done that nobody else would do. on my first full day there, i got on a plan to cover the new hampshire primary. i have been doing it ever since. i have been sent to cover plant cresses, wars, and i really enjoy myself. >> why radio? >> ipad started in high school in radio. my brother got on staff. i figured if my older brother could do it, i could do it. i got on staff. i called football games and basketball games. in college, i got paid $10 a game to the demand for high school and football games, i discover public radio at the same time. i was more of a news guy. i fell in love with npr in particular. i had a saturday